On Foamer Nights, “a special light on the scoreboard lit up at a particular point of the game, and if an Astros batter hit a home run while the light was on, fans received free beer until the end of that inning.”* Home runs were so hard to come by then that the home run requirement was changed to a strike out, and Houston Astros pitchers like Larry Dierker sent fans scurrying to the concession stands with a well-timed K.